CN205651120U - Whole process automation anchor clamps of EMUs car body side wall and system of processing - Google Patents

Abstract

The utility model relates to the field of mechanical processing, and discloses an automatic jig for the overall processing of the side wall of an EMU car body, which includes a controller, a beam, a window clamping unit and two pressing mechanisms, the window clamping unit and two The clamping mechanisms are all arranged on the beam and can move along the length direction of the beam, the two clamping mechanisms are arranged opposite to each other, and the window clamping unit is arranged between the two clamping mechanisms In between, the pressing mechanism is provided with a straight pressing arm for pressing the bottom of the side wall and a bending arm for pressing the arc surface of the top of the side wall, and the window clamping unit is provided with a lifting and rotating pressing head; The two pressing mechanisms are respectively connected with a first driving mechanism, the window clamping unit is connected with a second driving mechanism, and the first driving mechanism and the second driving mechanism are respectively connected with the controller; a A processing system. The utility model has the advantages of simple operation, high degree of automation and high efficiency.

Description

Automated fixture and processing system for the overall processing of the side wall of the EMU car body

technical field

The utility model relates to the technical field of mechanical processing, in particular to an automatic jig and a processing system for the integral processing of the side wall of a train body.

Background technique

The fixture units of the traditional side wall overall processing tooling are installed independently on the machine table. Different side walls require time-consuming and laborious adjustment of the beam due to the need for window compression; the window parts of the side walls are pressed by the operator through T-shaped bolts. In the T-slot of the beam, the efficiency of manual compression is low; and because there is no uniform positioning, there is an installation error in the T-slot of the beam, and it often happens that the process hole opened does not correspond to the T-slot, and it needs to be adjusted according to the amount of misalignment The program reworks the technological hole. With the improvement of the requirements for the automation of side wall processing, higher requirements have been put forward for the automation of side wall clamping. The traditional clamping method requires more manual participation, which is cumbersome and inefficient.

Utility model content

(1) Technical problems to be solved

The technical problem to be solved by the utility model is how to make the overall processing operation of the side wall of the EMU car body simple, high in automation and high in efficiency.

(2) Technical solution

In order to solve the above technical problems, the utility model provides an automatic jig for the overall processing of the side wall of the EMU car body, which includes a controller, a beam, a window clamping unit and two pressing mechanisms, the window clamping unit and two The clamping mechanisms are all arranged on the beam and can move along the length direction of the beam, the two clamping mechanisms are arranged opposite to each other, and the window clamping unit is arranged between the two clamping mechanisms In between, the pressing mechanism is provided with a straight pressing arm for pressing the bottom of the side wall and a bending arm for pressing the arc surface of the top of the side wall, and the window clamping unit is provided with a lifting and rotating pressing head; The two pressing mechanisms are respectively connected with a first driving mechanism, the window clamping unit is connected with a second driving mechanism, and the first driving mechanism and the second driving mechanism are respectively connected with the controller.

Wherein, the crossbeam is further provided with auxiliary support mechanisms located on both sides of the window clamping unit.

Wherein, the first driving mechanism is a first hydraulic cylinder; the pressing mechanism includes a pressing mechanism body, the straight pressing arm and the bending pressing arm are both rotatably connected to the upper end of the pressing mechanism body, and the The lower end of the pressing mechanism body is connected to the first hydraulic cylinder, and the first hydraulic cylinder drives the pressing mechanism body to move along the beam, and the straight pressing arm is driven to rotate by the second hydraulic cylinder. The bending arm is driven to rotate by the third hydraulic cylinder.

Wherein, the ends of the straight pressing arm and the bending pressing arm are provided with elastic rollers.

Wherein, the second driving mechanism is the fourth hydraulic cylinder, the window clamping unit includes a T-shaped indenter, a rotating shaft and a main frame, the T-shaped indenter is connected with the main frame through the rotating shaft, and the The main frame is arranged on the crossbeam, the fourth hydraulic cylinder is connected with the main frame, and is used to drive the main frame to move along the crossbeam, and the rotating shaft is respectively connected with a rotating cylinder and a lifting cylinder.

Wherein, a shaft sleeve is sleeved on the rotating shaft.

Wherein, the auxiliary support mechanism includes a slide rail mounting seat, a seat body and a pad, the pad is installed on the slide rail mounting seat through the seat body, and the slide rail mounting seat and the beam can slide connection, the pads are used to support the side walls.

Wherein, a locking mechanism is also included, and the window clamping unit, the pressing mechanism and the auxiliary supporting mechanism are all provided with the locking mechanism.

Wherein, the crossbeam includes a crossbeam seat, a crossbeam slide rail mounting seat and a line rail, and a rack is installed on the side of the crossbeam seat, which is used for the locking mechanism to fix the window clamping unit, the pressing mechanism and the auxiliary support mechanism; The window clamping unit, the pressing mechanism and the auxiliary support mechanism are installed on the line rail, and the crossbeam slide rail mounting seat is arranged under the crossbeam seat.

The utility model also provides an integral processing system for the side wall of the EMU car body, which includes two linear guide rails arranged in parallel and a plurality of the above-mentioned automatic jigs for the overall processing of the EMU car body side wall arranged in parallel and at intervals. The automatic jig for the overall processing of the side wall of the EMU car body is arranged perpendicular to the linear guide rails, and the crossbeam can move along the length direction of the two linear guide rails.

(3) Beneficial effects

Compared with the prior art, the utility model has the following advantages:

The utility model provides an automatic fixture and processing system for the overall processing of the side wall of the EMU car body. By using a controller, a beam, a window clamping unit and two pressing mechanisms, the window clamping unit and the two The clamping mechanisms are all arranged on the beam and can move along the length direction of the beam, the two clamping mechanisms are arranged opposite to each other, and the window clamping unit is arranged between the two clamping mechanisms, The pressing mechanism is provided with a straight pressing arm for pressing the bottom of the side wall and a bending arm for pressing the arc surface of the top of the side wall, and the window clamping unit is provided with a pressing head that can be lifted and rotated; two The pressing mechanism is respectively connected with a first driving mechanism, the window clamping unit is connected with a second driving mechanism, and the first driving mechanism and the second driving mechanism are respectively connected with the controller. It can realize the automatic positioning and clamping of the side walls of multiple models, has strong versatility, high degree of automation and flexibility, simple operation, fast product switching speed, and the production efficiency is more than 3 times higher than manual positioning and clamping; and positioning, pressing There is no need for manual participation in the tightening process, which greatly reduces the labor intensity of the operator.

Description of drawings

Fig. 1 is a front view of the overall structure of an automatic jig for the overall processing of the side wall of the EMU car body of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is a partial cross-sectional structural schematic diagram of the clamping mechanism in the overall processing automation fixture of the side wall of the EMU car body of the utility model;

Fig. 4 is the top view of Fig. 3;

Fig. 5 is a schematic structural view of the window clamping unit in the overall processing automation fixture for the side wall of the EMU car body of the utility model;

Fig. 6 is a structural schematic diagram of an auxiliary supporting mechanism in an automatic fixture for the overall processing of the side wall of an EMU car body of the present invention;

Fig. 7 is a schematic diagram of the front view structure of the crossbeam in the overall processing automation fixture of the side wall of the EMU car body of the utility model;

Fig. 8 is a side view of Fig. 7;

Figure 9 is a top view of Figure 7;

Fig. 10 is a structural schematic diagram of an integral processing system for the side wall of an EMU car body of the present invention;

In the figure: 1: controller; 2: beam; 21: beam seat; 22: beam slide rail mounting seat; 23: line rail; 24: rack; 3: window clamping unit; 31: T-shaped pressure head; 32 : rotating shaft; 33: main frame; 34: shaft sleeve; 35: pressure sensor; 36: lifting cylinder; 37: rotating cylinder; 4: pressing mechanism; 41: straight pressing arm; 42: bending pressing arm; 43: first Support block; 44: second support block; 45: positioning block; 5: auxiliary support mechanism; 51: slide rail mounting seat; 52: seat body; 53: pad; 6: first hydraulic cylinder; 7: side wall; 8: Second hydraulic cylinder; 9: Third hydraulic cylinder; 10: Fixture unit; 11: Linear guide rail; 12: Locking mechanism.

detailed description

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In addition, in the description of the present utility model, unless otherwise specified, the meanings of "multiple", "multiple roots" and "multiple groups" are two or more.

As shown in Figure 1, an automatic fixture for the overall processing of the side wall of the EMU car body provided by the utility model is used to be installed on the workbench of the CNC gantry machining center, which includes a controller, a beam, a window clamping unit 3 and Two pressing mechanisms 4, each clamping mechanism forms a clamp unit, the window clamping unit 3 and the two pressing mechanisms 4 are all arranged on the crossbeam, and can be arranged along the length direction of the crossbeam move, the two pressing mechanisms 4 are arranged oppositely, and the window clamping unit 3 is arranged between the two pressing mechanisms 4, and the pressing mechanism 4 is provided with a straight hole for pressing the bottom of the side wall 7. The pressing arm 41 and the bending arm 42 that presses the arc surface of the top of the side wall 7, the window clamping unit 3 is provided with a pressing head that can be lifted and rotated; the two pressing mechanisms 4 are respectively connected with a first As for the driving mechanism, the window clamping unit 3 is connected with a second driving mechanism, and the first driving mechanism and the second driving mechanism are respectively connected with the controller 1 . The automatic positioning and clamping of the side walls 7 of multiple vehicle types can be realized, and the utility model has strong versatility, high degree of automation and flexibility, and simple operation.

The controller includes touch PLC controller, hydraulic station, multiple pressure sensors and hydraulic pipelines, etc. The controller has a humanized and graphic human-machine interface, and the actions of each unit can be quickly set through simple and convenient click programming. It can not only manually control any movable part of a fixture unit 10, but also set automatic The program causes the selected gripper units 10 to act simultaneously.

As shown in FIG. 6 , auxiliary support mechanisms 5 located on both sides of the window clamping unit 3 are also provided on the beam. Specifically, the auxiliary support mechanism 5 includes a slide rail mounting seat 51, a seat body 52 and a spacer 53, and the spacer 53 is installed on the slide rail mounting seat 51 through the seat body 52, and the slide rail The mounting base 51 is slidably connected to the crossbeam, and the spacer 53 is used to support the side wall 7; slits to prevent the side wall 7 from being raised and affect the clamping accuracy; two positioning pins are provided on the seat body 52 for quick disassembly and assembly of the spacer 53 .

Specifically, the first driving mechanism is the first hydraulic cylinder 6; as shown in Figure 3 and Figure 4, the pressing mechanism 4 includes the main body of the pressing mechanism 4, and the straight pressing arm 41 and the bending pressing arm 42 are both It is rotatably connected to the upper end of the pressing mechanism 4 body, the lower end of the pressing mechanism 4 body is connected to the first hydraulic cylinder 6, and the first hydraulic cylinder 6 drives the pressing mechanism 4 body along the The beam moves, for example, forward or backward, the straight pressing arm 41 is driven to rotate by the second hydraulic cylinder 8 , and the bending pressing arm 42 is driven to rotate by the third hydraulic cylinder 9 . The clamping mechanism is also provided with a positioning block 45 for accurate positioning when the side wall 7 is clamped. The positioning block 45 is equipped with a pressure sensor (not shown in the figure), and the clamping mechanism at the top of the side wall 7 pushes the side wall 7 close to The positioning block 45 stops acting when the pressure reaches the set value, so as to avoid damage to the workpiece. The clamping mechanism is also provided with a first support block 43 and a second support block 44 , the first support block 43 is used to support the top arc of the side wall 7 , and the second support block 44 is used to support the bottom of the side wall 7 .

Wherein, the ends of the straight pressing arm 41 and the bending pressing arm 42 are equipped with elastic rollers, preferably nylon wheels, which can roll along the pressing mechanism 4 body (specifically, pin shafts), so that the sliding friction becomes smaller when pressing. For rolling friction, avoid damage to the workpiece.

Wherein, the second driving mechanism is a fourth hydraulic cylinder, as shown in Figure 5, the window clamping unit 3 includes a T-shaped indenter 31, a rotating shaft 32 and a main frame 33, and the T-shaped indenter 31 passes through the The rotating shaft 32 is connected with the main frame 33, the main frame 33 is arranged on the crossbeam, the fourth hydraulic cylinder is connected with the main frame 33, and is used to drive the main frame 33 to move along the crossbeam , the rotating shaft 32 is connected with a rotating cylinder 37 and a lifting cylinder 36 respectively. According to the control instruction, the lifting cylinder 36 makes the T-shaped indenter 31 rise, passes through the oblong process hole opened on the side wall 7, and after rising to the specified stroke, the rotating cylinder 37 moves to make the rotating shaft 32 drive the T-shaped indenter 31 to rotate clockwise. 90 °, then the lifting oil cylinder 36 drives the T-shaped pressure head 31 to descend, and now the side wall 7 can be compressed. The stroke of the T-shaped indenter 31 is adjustable to adapt to the thickness of the side wall 7 of different models; there is also a pressure sensor 35, which can accurately monitor the rising or falling pressure, and the pressure is adjustable to avoid damage to the workpiece due to excessive pressure; In order to prevent the aluminum shavings generated during processing from entering the window clamping unit 3 and damaging the movement mechanism, a shaft sleeve 34 is sleeved on the rotating shaft 32 .

As shown in Figure 2, it also includes a locking mechanism 12, the window clamping unit 3, the pressing mechanism 4 and the auxiliary support mechanism 5 are all provided with the locking mechanism 12, which can effectively fix the above components on the beam seat 21 On, to ensure the stability of the process.

As shown in Figures 7-9, the crossbeam 2 includes a crossbeam seat 21, a crossbeam slide rail mounting seat 22 and a line rail 23, and the side of the crossbeam seat 21 is equipped with a rack 24, which is used for the locking mechanism 12 to clamp the window The unit 3, the pressing mechanism 4 and the auxiliary support mechanism 5 are fixed to ensure that the processing process is stable and reliable; Longitudinal movement to realize the positioning and clamping of one side wall 7 or two side walls 7, and at the same time through the locking mechanism 12, it can be effectively fixed on the beam 2, and the beam slide rail mounting seat 22 is arranged on the beam Below the seat 21.

As shown in Figure 10, the utility model also provides an integral processing system for the side wall 7 of the EMU car body, which includes two parallel linear guide rails 11 and a plurality of the above-mentioned EMU car bodies arranged in parallel and at intervals. The overall processing automation fixture of the side wall 7, the overall processing automation fixture of the side wall 7 of the EMU car body is vertically arranged with the linear guide rails 11, and the crossbeam can move along the length direction of the two linear guide rails 11. The crossbeam slide rail mounting seat 22 is connected with the linear guide rail 11 fixed on the machine tool workbench, so that the crossbeam can move along the length direction of the linear guide rail 11 to adjust the spacing.

Two linear guide rails 11 are fixed on the machine tool workbench, and the fixture unit 10 is installed on the linear guide rails 11 and can move freely along it to adjust the position, so as to meet the processing and clamping requirements of the side wall 7 of different models. The fixture units 10 have exactly the same structure, but the installation directions on the linear guide rail 111 are different, for example, the odd-numbered fixture units 10 (such as 1, 3) and the even-numbered fixture units 10 (such as 2, 4) just rotate 180° , the purpose is to adapt to the positioning and clamping requirements of one side wall 7 and two side walls 7 at the same time. When processing a side wall, PLC programming selects the auxiliary support mechanism 5 on the odd numbered fixture unit 10; when processing a two-position side wall, PLC programming selects the auxiliary support mechanism 5 on the even numbered fixture unit 10.

The operation steps of the present utility model are: 1. The clamp unit 10 is connected with the machine tool platform through the linear guide rail 11, and the position of the clamp unit 10 is horizontally adjusted on the linear guide rail 11 according to the needs of the side wall 7 workpiece window layout and processing and clamping;

2. Determine each beam, clamping unit, and window clamping unit 3 according to the clamping position of the side wall 7;

3. The hydraulic cylinder is programmed and controlled by the controller 1, and the push rod drives the positioning base of the beam to automatically move to the designated position;

4. After hanging the side wall 7 to the fixture, program the controller 1 so that the clamping mechanism (near the top of the side wall 7) of each clamping unit pushes the side wall 7 so that its lower part is close to the positioning block 45, and passes through the limiter. Bit switch feedback signal sending instruction;

5. The pressing arm at the bottom of the side wall 7 first presses the side wall 7;

6. The pressing arm at the top of the side wall 7 starts to move to press the arc surface of the side wall 7;

7. Process the process hole in the window area of the side wall 7, and program the controller 1 to make the selected window clamping unit 3 perform an action, and the T-shaped indenter 31 rises and rotates 90° and then descends to press the side wall 7;

8. After the side wall 7 is processed, the window clamping unit 3 is programmed through the controller 1, the T-shaped pressure head 31 rises and rotates 90° and then falls, and the operator removes the window waste of the side wall 7;

9. Through the programming of the controller 1, each clamping mechanism performs a loosening action, and the side wall 7 is lifted away from the clamp;

10. The clamping mechanism has two sets of pressing arms, and different pressing procedures must be set according to different workpieces. When processing a side wall, the left side is the arc at the top of the side wall 7, then the clamping mechanism should set the action of the bending arm 42, and the right side is the bottom of the side wall 7, and the clamping mechanism should set the action of the straight pressing arm 41 ; It is just the opposite when processing two side walls.

It can be seen from the above embodiments that the utility model has the advantages of simple operation, high degree of automation and high efficiency for processing the side wall of the train body.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. a Motor train unit body side wall overall processing automatization fixture, it is characterised in that bag Include controller, crossbeam, window clamping unit and two hold-down mechanisms, described window clamping unit All it is located on described crossbeam with two described hold-down mechanisms, and can be along the length direction of described crossbeam Mobile, two described hold-down mechanisms are oppositely arranged, and described window clamping unit is located at described in two Between hold-down mechanism, described hold-down mechanism is provided with for compressing the vertical compression arm bottom side wall and compression The curved pressure arm in side wall top arc face, described window clamping unit is provided with the pressure of liftable and rotation Tight head；Two described hold-down mechanisms are connected to the first drive mechanism, and the clamping of described window is single Rhizoma Coptidis is connected to the second drive mechanism, described first drive mechanism and the second drive mechanism respectively with institute State controller to connect.

Motor train unit body the most according to claim 1 side wall overall processing automatization fixture, It is characterized in that, described crossbeam is additionally provided with and is positioned at the auxiliary of described window clamping unit both sides and props up Support mechanism.

Motor train unit body the most according to claim 1 side wall overall processing automatization fixture, It is characterized in that, described first drive mechanism is the first hydraulic cylinder；Described hold-down mechanism includes pressure Tight mechanism body, described vertical compression arm and curved pressure arm all upper ends with described hold-down mechanism body can turn Being dynamically connected, the lower end of described hold-down mechanism body is connected with described first hydraulic cylinder, by described Hold-down mechanism body described in one Driven by Hydraulic Cylinder is along described cross beam movement, and described vertical compression arm is by the Two Driven by Hydraulic Cylinder rotate, and described curved pressure arm is rotated by the 3rd Driven by Hydraulic Cylinder.

Motor train unit body the most according to claim 1 side wall overall processing automatization fixture, It is characterized in that, the end of described vertical compression arm and curved pressure arm is equipped with elastic roller.

Motor train unit body the most according to claim 1 side wall overall processing automatization fixture, It is characterized in that, described second drive mechanism is the 4th hydraulic cylinder, described window clamping unit bag Including T-shaped pressure head, rotating shaft and main frame, described T-shaped pressure head is by described rotating shaft and described main frame Frame connects, and described main frame is located on described crossbeam, described 4th hydraulic cylinder and described main frame Connecting, be used for driving described main frame along described cross beam movement, described rotating shaft is connected to rotation Turn oil cylinder and hoist cylinder.

Motor train unit body the most according to claim 5 side wall overall processing automatization fixture, It is characterized in that, described rotating shaft is arranged with axle sleeve.

Motor train unit body the most according to claim 2 side wall overall processing automatization fixture, It is characterized in that, described auxiliary support mechanism includes slide rail mounting seat, pedestal and cushion block, described Cushion block is arranged in described slide rail mounting seat by described pedestal, and described slide rail mounting seat is with described Crossbeam slidable connection, described cushion block is used for supporting side wall.

Motor train unit body the most according to claim 2 side wall overall processing automatization fixture, It is characterized in that, also include retaining mechanism, described window clamping unit, hold-down mechanism and auxiliary Supporting mechanism is helped to be equipped with described retaining mechanism.

Motor train unit body the most according to claim 8 side wall overall processing automatization fixture, It is characterized in that, described crossbeam includes beam seat, crossbeam slide rail mounting seat and line rail, described horizontal stroke Beam seat side is provided with tooth bar, for retaining mechanism by window clamping unit, hold-down mechanism and auxiliary Supporting mechanism is helped to fix；Described window clamping unit, hold-down mechanism and auxiliary support mechanism are installed On described line rail, described crossbeam slide rail mounting seat is located at the lower section of described beam seat.

10. a Motor train unit body side wall Integral machining system for stamped, it is characterised in that include two The line slideway be arrangeding in parallel and multiple parallel interval arrange such as any one of claim 1-8 institute The Motor train unit body side wall overall processing automatization fixture stated, described Motor train unit body side wall is overall Process automation fixture is vertically arranged with described line slideway, described crossbeam can along two described directly The length direction of line guide rail moves.